. >> reporter: his face now emblasoned on t-shirts, his name, a rally cry.is clothes, a statement made by politicians. >> just because someone wears a hoodie, does not make them a hood lum. >> reporter: athletes like the miami heat and celebrities. >> it's a tragedy and it's a shame. and justice needs to be served. >> reporter: to his parents, trayvon was just their boy. >> that was my baby. that was my youngest son. he meant a lot to me. and i don't think the police department really understands that. i feel like i'm a u.s. citizen. i feel like i need justice for my family too. i don't understand why they are protecting him. >> reporter: zimmerman's family also hoping for justice, the two of them linked by those four minutes and the questions they provoke. i'm matt gutman for "nightline" in sanford, florida. >> the saga continues and matt stays on that story. thanks to him. >>> coming up. >> ouch, charlie! >> one tiny bite for charlie, one giant pay day for charlie's dad. emblazon emblas do you want to finish it? no. does the baby want to finish it? no. . >